AI Writing Detection

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Your most helpful AI writing detector

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UnTXT highlights the exact passages that read as AI-written, sentence by sentence, so you know precisely what to look at and why - not just a single guess of a score.

Free to start - your first 1,000 words, no card needed.

F1 0.73 on a 935-text peer-reviewed benchmark, ahead of GPTZero (0.68) and Turnitin AI (0.65). We publish every number - see the methodology.

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